print(999)
print(3.14)
print('Hello world?')
print(False)
# ---------------------------------------
print(999,3.14,False,'How old are you?')
print(999,3.14,False,sep='/')
print(155,1059,3339,sep='-')
# ________________________________________
name = '张三'
age = 20
score = 78.5
print(name)
print(age)
print(score)
print(name,age,score)
print(name ,age ,score)
print(name , age , score , sep='/')
